What happens if calcium carbonate is heated

Freshly purchased drinking straws should be used and each student issued with their own straw. Wear eye protection. The calcium carbonate used should be in the form of pea sized lumps of chalk. Blackboard chalk should not be used as it is likely to be mostly calcium sulfate.

Additional information This is a resource from the Practical Chemistry project , developed by the Nuffield Foundation and the Royal Society of Chemistry.

Level years years. Use Practical experiments. Category Reactions and synthesis. Related articles. Feature Beirut explosion TZ How a warehouse of ammonium nitrate destroyed a capital city. Resource Making bath bombs Learn how to make fizzing bath bombs using ingredients from your kitchen cupboards. Load more articles. No comments yet. You're not signed in. Only registered users can comment on this article. Sign in Register. Calcium oxide is sometimes very challenging to store in the chemistry labora… When carbon dioxide is bubbled through a clear calcium hydroxide solution, t… When small amounts of acetylene gas are needed, a common process is to react… Write a balanced equation for the reaction between calcium oxide and dilute … Problem Liquefied propane gas is often used for cooking i….

View Full Video Already have an account? Ronald P. Problem 9 Easy Difficulty If calcium carbonate is heated strongly, carbon dioxide gas is driven off, leaving a residue of calcium oxide.

Topics Chemical reactions and Stoichiometry. Section 2 Chemical Equations. Discussion You must be signed in to discuss. Top Chemistry Educators Theodore D. Carleton College. Stephanie C. University of Central Florida. Lizabeth T. Nadia L. Rice University. Here are the equations that represent the thermal decomposition of calcium carbonate:. Thermal decomposition is an example of an endothermic reaction, a reaction that gains energy from the surroundings.

This is why thermal energy must be supplied constantly for the reaction to keep going. Note that some other reactions are exothermic reactions — they give out energy to their surroundings.